Rewrite the following sentences, begin as shown and keep the meaning unchanged

----- Nội dung dịch tự động từ ảnh -----
10. The knife may need
before it's used. (sharp)
V. Rewrite the following sentences, begin as shown and keep the meaning unchanged.
1. Whoever did that must have been a very bravery person.
-> Only
2. It's your duty to tell him what to do.
-> You
3. The mechanic serviced my car last week.
**********
-> I got
4. Hoang keeps playing games when his parents are out.
→ Hoang is
5. It's pointless to try to make him change his mind!
-> It's a waste
6. He felt too ill to get up.
-> He didn't
7. I didn't hear the news until the next day.
-> It was not
8. It's more than a fortnight since anyone saw Mark.
-> Mark was
9. I'm sorry now that I didn't tell you the truth.
-> Now I regret.
10. An electrical failure was said to be the cause of the fire.
-> They blamed
T
?